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| The ____________ ratio was predicted by the Big Bang theory and helps establish the rate of expansion for the universe. |
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| _______________ (2 words) is how bright a star appears when viewed from Earth. |
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| ______________________ (2 words) includes the 4 main sub categories of Geology, Astronomy, Oceanography, and Meteorology. |
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| The concept that the more distant an object is in space, the farther in its past we are observing its light is called _____________________ |
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| ________________ is the use of the senses to gather and record information. |
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| The ____________________ states the universe is both infinitely large and eternal, and space is neither expanding nor contracting. |
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| The ______________________ (2 words) diagram shows the relationship between a stars brightness and its temperature. |
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| The branch of astronomy devoted to the study of the physical characteristics and composition of objects in the sky is called ____________________ |
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| The _____________________ (2 words) are composed of liquid and frozen gases and orbit outside the asteroid belt. |
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| A statement about what happens in nature that seems to be true 100% of the time is called a ___________________ (2 words required). |
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| A term used to describe objects believed to be fuzzy patches of luminous gas and dust ________________ |
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| A ______________________ gets several thousand times brighter in a few days, and then fades to its original brightness over several months. |
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| _____________________ (2 words) includes all fields of natural science related to the planet we live on. |
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| ____________________ may include the use of sight, hearing, or touch. |
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| Answers sought by this field include; How did the Universe begin? When did it begin? Where did it come from? and How will it end? _______________________________ |
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| A _________________________ is 100 to 1000 times the size of the sun. |
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| The science that deals with the earth's physical structure and substance, its history, and the processes that act on it is called _______________. |
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| A _________________ is what a scientist believes is most likely true. |
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| A branch of philosophy (not science) exploring the fundamental questions, including the nature of concepts like being, existence and reality. ___________________________ |
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| A pair of stars that are bound together by gravity is called a _____________________ (3 words). |
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| The continuous flow of charged particles released from the upper atmosphere of the Sun is called the __________________(2 words) |
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| These structures are actually other galaxies outside our own galaxy. ________________________ |
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| A suggested, testable answer to a well-defined scientific question is called a _________________. |
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| A stars' ____________________________ (2 words) describes the amount of light that a star actually emits |
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| __________________ (2 words) is the branch of geology that studies the materials, structure, and surface features of the earth and the geologic processes that form them. |
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| _______________ is caused by a light source that is moving away from the observer. |
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| Use of a ________________ generally makes things easier to visualize and understand. |
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| This radiation is left over from an early stage of the universe like a distant flash from the Big Bang itself. _____________________ |
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| A _________________ (2 words) is a very large, cool, bright star. |
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| Mercury, Venus, Earth, and Mars are made of rock and dust and are called the __________________ (2 words) |
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| A(an) __________________ tests the validity of a given hypothesis. |
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| When plotted on a graph that compares surface temperature to brightness, most stars with average mass, lie within a narrow band which crosses the graph diagonally from lower right to upper left. These stars are called ________________________ (2 words) stars. |
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| According to the _________________ (two words), the sun and planets condensed out of a large rotating cloud of dust and gas. |
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| Faster expansion of the universe would have produced more _________________ that we see in today. |
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| A ______________ represents something that is too complex, difficult or dangerous to observe or test directly. |
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| A _____________________ (2 words) star brightens and then fades in a regular repeating pattern over time. |
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| The amount by which you look into the past is equal to the distance to the galaxy measured in _________________________ |
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| The branch of Geology that tries to reconstruct the geologic events of Earth's past is called _________________ (2 words) |
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| What color is the longest wavelength of visible light? ________________ |
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| A _______________ could affect the results of an experiment. |
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| The word __________________ means “new star”. |
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| The _________________ model was first proposed and supported by Einstein. |
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| A large cloud of gas and dust in space is called a __________________. |
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| This is the “Effect” in a cause and effect relationship. ________________________________ |
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| Stars with very high mass may expand and form a _____________________ at the end of their life. |
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| _______________________ studies the composition, processes and phenomena of the atmosphere. |
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| The ___________________ (2 words required) is controlled and changed by the experimenter in order to see how it effects other factors. |
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| The distance a beam of light would cover in 1 year is called a ____________________. |
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| The science of __________________ includes everything from the composition and movements of sea water to the plants and animals that live in it. |
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| _______________________ (2 words required) are always in numeric (number) form. |
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| ___________________ (3 words) orbit around a mutual fixed point in space called the center of mass. |
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| The current theory of how our solar system formed is called the __________________ (2 words). |
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| Recorded observations or items of information are called _________________. |
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| A formation of stars, like Orion or The Big Dipper is called a ______________________. |
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| The science of ___________________ studies celestial objects, space, and the physical universe outside of our planet. |
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| The ____________________ (2 words required) responds to changes in another factor. |
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| In astronomy, a _______________ is used to measure distances to things that are relatively close. Large distances are measured in parsecs. |
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| A primary focus of __________________ is forecasting the weather. |
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| ______________________ (2 words required) describe actions, color, textures, and other traits not easily measured. |
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| The properties of dark matter, dark energy, black holes and worm holes would be part of the science of ...._________________________________ |
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